Mitsubishi G-50A Installation Manual

Air-conditioner network system central controller
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Mitsubishi Electric Air-conditioner Network System
Central Controller
Model: G-50A
G-50A
Before using the controller, please read this Installation Manual carefully to ensure
correct operation. Store this Installation Manual in a location that is easy to find.
Installation Manual
Contents
2. Confirmation of parts .............................................. 2
3. Outline dimensions ................................................. 2
4. System diagram ...................................................... 3
5. Installation method .................................................. 4
1. Part prepared at site ........................................ 4
2. Installation method .......................................... 4
6. Initial setting ............................................................ 5
1. Address setting method ................................... 5
2. Function selection method .............................. 5
3. IP address setting method ............................... 6
4. Group setting ................................................... 6
5. Others .............................................................. 6
7. Test run ................................................................... 7
8. Example for system configuration ........................... 7
1. To control a K control model ............................ 7
9. External input/output usage method ....................... 7
1. External signal input function .......................... 7
2. External signal output function ........................ 8
3. LAN connection function ................................. 9
4. RS232C connection function ........................... 9

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Summary of Contents for Mitsubishi G-50A

  • Page 1: Table Of Contents

    Mitsubishi Electric Air-conditioner Network System Central Controller Model: G-50A Installation Manual Contents 1. Safety precautions to be observed without fail ..1 2. Confirmation of parts ..........2 ON/OFF 3. Outline dimensions ..........2 4. System diagram ............3 5. Installation method ..........4...
  • Page 3: Safety Precautions To Be Observed Without Fail

    This manual describes the installation of the central controller and wiring to the air conditioner. Refer to the installation manual of the air conditioner. Carefully read item 1 Safety precautions to be observed without fail before installing the unit. 1 Safety precautions to be observed without fail * Hazards and levels of danger that can occur due to incorrect handling are classified by the following symbols.
  • Page 4: Confirmation Of Parts

    * Besides the above parts, purchase a power supply unit (PAC-SC50KUA) that supplies power (DC12V) to the central controller and to the M-NET transmission line. 3 Outline dimensions ON/OFF 2.07 12.5 CENTRAL CONTROLLER G-50A Installation plate – 2 –...
  • Page 5: System Diagram

    M-NET outdoor unit Group 1 Group 2 M-NET Central controller Power supply unit (optional) Model: G-50A Model:PAC-SC50KUA Power(DC12V) * Address setting for each M-NET device (The same address cannot be duplicated.) Address setting method Address Indoor unit Set the indoor unit you want to make the master unit in the same group to the mini- 1~50 mum address, and sequentially set the indoor unit addresses in the same group.
  • Page 6: Central Controller

    5 Installation method Center of electric box 1. Parts prepared at site 1 Prepare an electric box. 2 Prepare lock nuts and bushing that match the conduit. 3 Prepare an M-NET transmission line CVVS(2-wire): Electric box The controller outline 1.25mm or equivalent.
  • Page 7: Initial Setting

    (NOTE) 5 Remove the controller’s cover and install on to the electric The cover fixing screw is box. packaged with the other enclosed screws. Insert a flat-tip screwdriver and rotate it to remove the cover. Electric box Installation plate Central controller M4 countersunk <Installation on to electric box>...
  • Page 8: Ip Address Setting Method

    Unit When G-50A controls another system controller or when the When G-50A is controlled by another system controller: system contains only G-50A: G-50A is set as the master system G-50A is set as the slave system controller. controller, * The group setting is performed by Master system controller.
  • Page 9: Test Run

    * Refer to the installation manual for the connected indoor unit for details on the test run method. 8 Example for system configuration 1. To control a K control model 20 indoor units * Set G-50A address to “000” When a K transmission converter is con- M-NET G-50A Group 1 to Group 10 nected.
  • Page 10: External Signal Output Function

    (3) External input specifications CN2 Lead wire Emergency stop/normal level signal ON/OFF, level signal ON/OFF, prohibit/enable pulse signal No.5 Orange Emergency stop/normal input ON/OFF input ON input No.6 Yellow Not used Not used OFF input No.7 Blue Not used Not used Local remote controller operation prohibit input No.8 Gray Not used...
  • Page 11: Lan Connection Function

    Refer to section 5 Installation method . * When the G-50A cover is opened, the LAN status lamp and LAN changeover switch are accessed. For detailed information, refer to sections 3-2 and 5-9 of the Instruction Book.
  • Page 12 The product at hand is • Low Voltage Directive 73/23/EEC based on the following • Electromagnetic Compatibility Directive 89/ EU regulations: 336/EEC HEAD OFFICE: MITSUBISHI DENKI BLDG. , 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN WT03624X01 Printed in Japan Recycled Paper...

Table of Contents